class_docstr: Call variants and gvcf records from a VCF.
code: def __init__(
      self,
      options,
      candidates_vcf,
      use_cache_table=True,
      max_cache_coverage=100,
  ):
      super(VcfCandidateImporter, self).__init__(
          options=options,
          use_cache_table=use_cache_table,
          max_cache_coverage=max_cache_coverage,
      )
      self.vcf_reader = vcf.NativeVcfReader(candidates_vcf).c_reader
  
file_path: deepvariant/deepvariant/vcf_candidate_importer.py
imports: from typing import Dict, List
  from deepvariant import variant_caller
  from deepvariant.protos import deepvariant_pb2
  from deepvariant.python import allelecounter
  from third_party.nucleus.io import vcf
label_desc: Use image node_id 1 to create a new VcfCandidateImporter object from inherited base classes: variant_caller with example: obj = VcfCandidateImporter(options, candidates_vcf, use_cache_table, max_cache_coverage)